Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual foi a classificação versus Manana Shapakidze?
 ###Tabelas: CREATE TABLE jdf_coast_guard (jdf_coast_guard_id AUTO_INCREMENT PRIMARY KEY, Name of Ship VARCHAR, Length VARCHAR, Max speed VARCHAR, Crew/Capacity VARCHAR, Class VARCHAR, Builder VARCHAR, Delivery INT) CREATE TABLE faculty_and_staff (faculty_and_staff_id AUTO_INCREMENT PRIMARY KEY, Data VARCHAR, Headcount INT, Percent of total VARCHAR, Less than $25,000 VARCHAR, $25,000 to $40,000 VARCHAR, $40,000 to $50,000 VARCHAR, $50,000 to $60,000 VARCHAR, $60,000 to $70,000 VARCHAR, $70,000 to $80,000 VARCHAR, More than $80,000 VARCHAR, Mean VARCHAR) CREATE TABLE championships_per_nation (championships_per_nation_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE singles_10 (singles_10_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Tier VARCHAR, Opponent in the final VARCHAR, Score VARCHAR) CREATE TABLE names_in_modern_languages (names_in_modern_languages_id AUTO_INCREMENT PRIMARY KEY, Sanskrit संस्कृतम् VARCHAR, Tamil தமிழ் VARCHAR, Telugu తెలుగు VARCHAR, Kannada ಕನ್ನಡ VARCHAR, Malayalam മലയാളം VARCHAR, Mongolian VARCHAR)  
SELECT Tier FROM singles_10 WHERE Opponent in the final = manana shapakidze